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heathernelly
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How far apart are the foci of an ellipse with a major axis of 26 feet and a minor axis of 24 feet?
 one year ago
 one year ago
heathernelly Group Title
How far apart are the foci of an ellipse with a major axis of 26 feet and a minor axis of 24 feet?
 one year ago
 one year ago

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begzat Group TitleBest ResponseYou've already chosen the best response.1
a^2+b^2=c^2
 one year ago

heathernelly Group TitleBest ResponseYou've already chosen the best response.0
do i just put the numbers into the equation? :/ these are the answer choices:4 feet 5 feet 10 feet 20 feet
 one year ago

begzat Group TitleBest ResponseYou've already chosen the best response.1
If the major axis is 26, then 2a is 26 and a is 13. If the minor axis is 24, then 2b is 24 and b is 12. Use the values of a and b to calculate c
 one year ago

begzat Group TitleBest ResponseYou've already chosen the best response.1
do you know the Pythagorean triples or no
 one year ago

heathernelly Group TitleBest ResponseYou've already chosen the best response.0
hmm no i don't
 one year ago

heathernelly Group TitleBest ResponseYou've already chosen the best response.0
what do you mean 2a? a? 2b?
 one year ago

begzat Group TitleBest ResponseYou've already chosen the best response.1
The distance between the focal points is 2a=26 and 2b=24
 one year ago

begzat Group TitleBest ResponseYou've already chosen the best response.1
so plug here a^2+b^2=c^2
 one year ago

siddarth95 Group TitleBest ResponseYou've already chosen the best response.0
The length of the major axis is 2a and that of the minor axis is 2b like @begzat said. Find the eccentricity of the ellipse sing \[e ^{2}= 1  b ^{2}/a ^{2}\] [when a>b] .. the distance between the focii is 2ae
 one year ago

heathernelly Group TitleBest ResponseYou've already chosen the best response.0
thanks :)
 one year ago
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